Matches 151 - 200 out of 255 < 1 2 3 4 5 6 >


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3843711 CHEMICAL PROCESS AND COMPOSITIONS  
It is disclosed that citric acid or its salts are obtained by the hydrolysis of a 3-carbamoyl-3-hydroxy-4-cyanobutyric acid or salt, that a 3-carbamoyl-3-hydroxy-4-cyanobutric acid or salt, is...
3842126 CATALYTIC PRODUCTION OF POLYHALO-KETO-ALKENOIC ACIDS  
3819733 PROCESS FOR THE PREPARATION OF NONCONJUGATED DIENIC GRIGNARD REAGENTS AND THEIR UTILIZATION IN ORGANIC SYNTHESES  
3816524 EXTRACTION OF CARBOXYLIC ACIDS FROM DILUTE AQUEOUS SOLUTIONS  
3808267 MEMBRANE PROCESS FOR RECOVERY OF CARBOXYLIC ACIDS FROM DILUTE AQUEOUS SOLUTIONS  
3798266 PROCESS FOR PREPARING CITRIC ACID  
3783154 PRODUCTION OF CITRIC ACID  
Citric acid can be produced by reacting maleic acid, fumaric acid, maleic anhydride or esters of maleic acid with a peroxide compound and then heating the resulting reaction mixture. Citric acid...
3769337 PROCESS FOR THE PREPARATION OF CITRIC ACID  
3759929 MANUFACTURE OF β-HYDROXY CARBONYL COMPOUNDS AND/OR α-UNSATURATED CARBONYL COMPOUNDS  
The manufacture of β-hydroxy carbonyl compounds and/or α-unsaturated carbonyl compounds by the reaction of ketones with derivatives of glyoxylic acid and derivatives of α-ketoaldehydes in the...
3746726 BROMINATING BUTYNE-(2)-DIOL-(1,4)  
3719706 PROCESS FOR OBTAINING 6-HEXANALOIC ACID  
6-Hexanaloic acid is obtained from by-products present in cyclohexyl hydroperoxide solutions, obtained by oxidation of cyclohexane in the liquid phase, without a metallic catalyst, by means of a...
3718667 2,3-DISUBSTITUTED LEVULINALDEHYDE COMPOUNDS  
3703469 LOW-FOAMING RINSING,WASHING AND CLEANING COMPOSITIONS  
3701803 METHOD FOR THE PRODUCTION OF ACETOACETIC ACIDS  
3682970 PRODUCTION OF UNSATURATED CARBOCYCLIC KETONES  
Preparation of α,β-unsaturated carbocyclic ketones by reacting a methylene or methine phosphonium ylid with a δ-keto carboxylic acid ester, anhydride or acyl halide. The reaction is useful for...
3669997 10-OXO-11-ALKYLIDENE-337-DIALKYL-2,6-ALKADIENOIC ACIDS AND ESTERS THEREOF  
Hydrocarbon carboxylic acids, esters, alcohols, ethers, amides and dialkyl phosphonates with a carbon atom chain length of from 12 to 17 carbon atoms substituted at C-6 and/or C-10 with keto...
3644517 PHOSPHINE SUBSTITUTED OXALYL CHLORIDES  
3644508 PROCESS FOR THE RECOVERY OF GLYOXYLIC ACID  
3637721 PROCESS FOR PRODUCING ALDEHYDES BY OZONIZING AND REDUCING CERTAIN AROMATIC AND HETEROCYCLIC COMPOUNDS CONTAINING CARBON-TO-CARBON UNSATURATION  
3631188 PRODUCTION OF ALDEHYDE CARBOXYLIC ACID OR ALDEHYDE AND CARBOXYLIC ACID  
3621028 CERTAIN -THIAZOLINEALKANOIC ACIDS AND ESTERS  
This invention concerns 2-cycloalkyl or aryl-4-hydroxy-2-thiazoline-4 and 5-alkanoic acids which are pharmacologically efficacious as anti-inflammatory agents and which are useful as intermediates...
3609192 PRODUCTION OF ALK-1-EN-5-ONES AND ALK-1-EN-5-ALS  
Production of alk-1-en-5-ones and alk-1-en-5-als having the general formula (I): in which R1, R2 and R3 each denotes a hydrogen atom or a hydrocarbon radical having from one to 40 carbon atoms...
3592826 IMIDAZOLE CATALYSTS FOR DIKETENE REACTIONS  
3592853 PROCESS FOR MANUFACTURE OF AMINES  
3577455 TAU-BUTYL-ALPHA-METHYL-GAMMA-NITRO VALERATE  
3576010 SUBSTITUTED ANILINO HALOGENATED FURANONES  
3542859 FLUORINATED ETHERS  
3531505 PROCESS FOR THE PRODUCTION OF ALPHA,ALPHA - DIHYDROXY PERFLUOROALKYL CARBOXYLIC ACIDS  
3530149 METHOD OF PREPARING ALPHA-METHYL-GAMMA-ISOBUTYL-BUTYROLACTONE  
3527809 HYDROFORMYLATION PROCESS  
3524880 PREPARATION OF PYRUVIC ACID  
3524877 METHOD OF PRODUCING KETO ACIDS  
3504042 PROCESS FOR PRODUCING 2,2-DIMETHYL-1,3-PROPANEDIOL  
3492337 PROCESS FOR THE PREPARATION OF ALKYL 4-KETOALKANOATES  
3492315 PRODUCTION OF ALPHA,ALPHA-DISUBSTITUTED-BETA PROPIOLACTONES  
3492313 NOVEL DERIVATIVES OF 1,3,5-TRITHIANE  
3468890 PYRAZINO(1',2':1,2)PYRIDO(3,4-B)INDOLES  
3468944 METHOD OF PREPARING KETOACIDS  
3467702 METHOD FOR MAKING PERFLUOROPYRUVIC ACID MONO-HYDRATE  
3458532 PRODUCTION OF LACTONES AND KETO ACIDS  
3450716 PERFLUORO-4-OXO-2,5-DIMETHYL-2-FLUOROCARBONYL-1,3-DIOXOLANE  
3444178 CERTAIN HALOGENATED 2-(2-THIAZOLYL) AMINOFURAN-5-ONES  
3435053 CYCLOPENTA(B)PYRANS  
3412116 Method of producing gamma-keto acids  
3409649 Olefin oxidation process  
3404162 Perfluoro-2-oxo-3, 6-dimethyl-1, 4-dioxane  
3399219 Polyacid production  
3387026 Catalytic method of preparing keto-acids  
3384669 Process and catalyst for oxidizing olefins to carbonyl compounds  
3381027 Preparation and recovery of methyl 2-ketogluconate  

Matches 151 - 200 out of 255 < 1 2 3 4 5 6 >